Nepean Bay Weather Forecast

    • 12
    • 20

    Partly cloudy

    • 10
    • 21

    Showers easing

    • 14
    • 23

    Showers

    • 12
    • 19

    Shower or two

    • 9
    • 17

    Partly cloudy

    • 9
    • 19

    Cloudy

    • 9
    • 19

    Partly cloudy

Today 7 Apr Kangaroo Island

Partly cloudy. Winds southerly 15 to 20 km/h becoming light in the late afternoon. Daytime maximum temperatures around 19.

Investigator Strait Coastal Waters

Wind
Southerly 10 to 15 knots becoming variable about 10 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
West to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A cold front will pass over the southeast this morning followed by a high-pressure system building south of the state today. The high will then move east on Wednesday allowing a vigorous cold front to move over South Australia Thursday afternoon. A cooler southwest to southerly flow will gradually moderate as a stronger high-pressure system moves in from the west from Friday to be south of the state on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

April Temperature

Kingscote Airport (7km)

  • Lowest 2 April, 2026

    7.4 °C

  • Average April

    16.9 °C

  • Highest 1 April, 2026

    25 °C

Climate (2021–Present)

Kingscote Airport (7km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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